7ac0502c50
* Change import path from zos-lib to upgrades in all contracts * Update readme with new naming * Update package and deps names * Change path to initializable in AST of networks.jsons * Migrate manifest version * Use new oz file locations * Rename in ERC20Migrator comments * Update SDK install instructions in README * Update gitignore to use new session file name * trigger CI * Fixes to readme and package version * Use 2.5.0 release of OpenZeppelin SDK
16 lines
538 B
Solidity
16 lines
538 B
Solidity
pragma solidity ^0.5.2;
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import "@openzeppelin/upgrades/contracts/Initializable.sol";
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import "./IERC721.sol";
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/**
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* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
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* @dev See https://eips.ethereum.org/EIPS/eip-721
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*/
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contract IERC721Enumerable is Initializable, IERC721 {
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function totalSupply() public view returns (uint256);
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function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256 tokenId);
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function tokenByIndex(uint256 index) public view returns (uint256);
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}
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